diff --git a/.github/workflows/pylint.yml b/.github/workflows/pylint.yml
new file mode 100644
index 0000000..55590d1
--- /dev/null
+++ b/.github/workflows/pylint.yml
@@ -0,0 +1,23 @@
+name: Pylint
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.12"]
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install pylint
+    - name: Analysing the code with pylint
+      run: |
+        pylint .
diff --git a/.pylintrc b/.pylintrc
new file mode 100644
index 0000000..abf5ed7
--- /dev/null
+++ b/.pylintrc
@@ -0,0 +1,19 @@
+[MAIN]
+ignore=venv
+
+[MESSAGES CONTROL]
+disable=
+    C0114,  # missing-module-docstring
+    C0115,  # missing-class-docstring
+    C0116,  # missing-function-docstring
+    C0301,  # line-too-long
+    E0401,  # import-error
+    R0903,  # too-few-public-methods
+    R0913,  # too-many-arguments
+    R0917,  # too-many-positional-arguments
+    R0801,  # duplicate-code
+    W1203,  # logging-fstring-interpolation
+    W0511,  # fixme
+
+[REPORTS]
+reports=no
diff --git a/mind/generator.py b/mind/generator.py
index d520118..54a40ed 100644
--- a/mind/generator.py
+++ b/mind/generator.py
@@ -15,7 +15,7 @@ def gen_all_mindmaps(markdown_content, file_name, only_what):
     md_name = output_name + ".md"
     mm_name = output_name + ".mm"
     svg_name = output_name
-    
+
     match only_what:
         case 0:
             generate_md(markdown_content, md_name)
@@ -27,4 +27,3 @@ def gen_all_mindmaps(markdown_content, file_name, only_what):
             generate_freemind(markdown_content, mm_name)
         case 3:
             generate_svg(markdown_content, svg_name)
-
diff --git a/mind/mm_generator.py b/mind/mm_generator.py
index c6daf9b..8dfad19 100644
--- a/mind/mm_generator.py
+++ b/mind/mm_generator.py
@@ -54,9 +54,9 @@ def generate_freemind(md_text, output_file="freemind-output.mm"):
     for item in tree_data:
         build_freemind_node(root, item)
     tree = ET.ElementTree(root)
-    
+
     try:
-        with open(output_file, 'w', encoding='utf-8') as file:
+        with open(output_file, 'w', encoding='utf-8'):
             tree.write(output_file, encoding="utf-8", xml_declaration=True)
         logger.info(f"✅ The freemind mind map has been successfully generated: {output_file}")
     except IOError:
diff --git a/mind/svg_generator.py b/mind/svg_generator.py
index ce31bae..652405f 100644
--- a/mind/svg_generator.py
+++ b/mind/svg_generator.py
@@ -59,7 +59,7 @@ def tree_to_svg(nodes, output_file="mindmap"):
             dot.edge(node["parent"], node_id)
     dot.render(output_file, view=False)
 
-def generate_svg(md_text, output_file="mindmap"):    
+def generate_svg(md_text, output_file="mindmap"):
     tree = parse_markdown(md_text)
     # TODO try catch here
     tree_to_svg(tree, output_file)
diff --git a/pdf/pdf_reader.py b/pdf/pdf_reader.py
index 101420b..e05dbf2 100644
--- a/pdf/pdf_reader.py
+++ b/pdf/pdf_reader.py
@@ -25,7 +25,7 @@ async def extract_and_feed_chunks(self, args, queue: asyncio.Queue):
         pdf_name = str(args.pdf)
         chunk_size = getattr(args, 'chunk_size', None)
         overlap_size = getattr(args, 'overlap_size', None)
-        
+
         kwargs = {}
         if chunk_size is not None:
             kwargs['chunk_size'] = int(chunk_size)
diff --git a/pdf2mind.py b/pdf2mind.py
index 866450f..e349002 100644
--- a/pdf2mind.py
+++ b/pdf2mind.py
@@ -1,7 +1,8 @@
 import asyncio
-from utils.parser import cmd_parser 
+
 from pdf.pdf_reader import PdfProcess
 from mind.generator import gen_all_mindmaps
+from utils.parser import cmd_parser
 from utils.utils import model_selector, format_selector
 
 
diff --git a/utils/parser.py b/utils/parser.py
index 6ad0b0c..e648d7e 100644
--- a/utils/parser.py
+++ b/utils/parser.py
@@ -58,7 +58,7 @@ def cmd_parser():
         # Should not happen due to required=True
         vender = "Unknown"
 
-    if not llm_key:
+    if not llm_key: # pylint: disable=possibly-used-before-assignment
         logger.info("Error: LLM API Key is required. Please provide it via --key argument or set the XXX_API_KEY environment variable.")
         sys.exit(1)
 
@@ -67,6 +67,6 @@ def cmd_parser():
     logger.info(f"🌍 Target language: {language}")
     logger.info(f"🧠 Selected vender: {vender}")
     logger.info(f"🤖 Model name: {model}\n")
-    
+
     args = parser.parse_args()
     return args
diff --git a/utils/utils.py b/utils/utils.py
index 95e57c3..f46138a 100644
--- a/utils/utils.py
+++ b/utils/utils.py
@@ -1,8 +1,7 @@
-
 from llm.base_llm import BaseLLM
 from llm.doubao_llm import DoubaoLLM
-from llm.qwen_llm import QwenLLM
 from llm.openai_llm import OpenaiLLM
+from llm.qwen_llm import QwenLLM
 
 def model_selector(args) -> BaseLLM:
     # set default
@@ -11,19 +10,19 @@ def model_selector(args) -> BaseLLM:
 
     if getattr(args, 'use_doubao', False):
         return DoubaoLLM(args.model, args.language, max_level, temperature)
-    elif getattr(args, 'use_qwen', False):
+    if getattr(args, 'use_qwen', False):
         return QwenLLM(args.model, args.language, max_level, temperature)
-    elif getattr(args, 'use_openai', False):
+    if getattr(args, 'use_openai', False):
         return OpenaiLLM(args.model, args.language, max_level, temperature)
-    else:
-        raise ValueError("Please at least set one of --use-doubao、--use-qwen or --use-openai")
+
+    raise ValueError("Please at least set one of --use-doubao、--use-qwen or --use-openai")
 
 def format_selector(args) -> int:
     if args.only_freemind:
         return 1
-    elif args.only_xmind:
+    if args.only_xmind:
         return 2
-    elif args.only_svg:
+    if args.only_svg:
         return 3
     return 0